[INFO] cloning repository https://github.com/lolgeny/copper [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lolgeny/copper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flolgeny%2Fcopper", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flolgeny%2Fcopper'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6d808ed9070dee5cd4ce477b35e09fa4b9713ae2 [INFO] testing lolgeny/copper against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flolgeny%2Fcopper" "/workspace/builds/worker-1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/lolgeny/copper on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/lolgeny/copper [INFO] finished tweaking git repo https://github.com/lolgeny/copper [INFO] tweaked toml for git repo https://github.com/lolgeny/copper written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/lolgeny/copper already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] c869bf20dc986e67e9434c1fcd8a7f8eacefd9954f70ef8732bda19f2dd04aaf [INFO] running `Command { std: "docker" "start" "-a" "c869bf20dc986e67e9434c1fcd8a7f8eacefd9954f70ef8732bda19f2dd04aaf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c869bf20dc986e67e9434c1fcd8a7f8eacefd9954f70ef8732bda19f2dd04aaf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c869bf20dc986e67e9434c1fcd8a7f8eacefd9954f70ef8732bda19f2dd04aaf", kill_on_drop: false }` [INFO] [stdout] c869bf20dc986e67e9434c1fcd8a7f8eacefd9954f70ef8732bda19f2dd04aaf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 740042c00f3d16405d9085d6e6cf45b034c4cdb336c7e1d127e7acea1f45e194 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "740042c00f3d16405d9085d6e6cf45b034c4cdb336c7e1d127e7acea1f45e194", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling copper v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling syn v1.0.60 [INFO] [stderr] Compiling serde_derive v1.0.123 [INFO] [stderr] Compiling serde v1.0.123 [INFO] [stderr] Compiling serde_json v1.0.62 [INFO] [stdout] warning: lint `rustdoc` has been removed: use `rustdoc::all` instead [INFO] [stdout] --> src/lib.rs:3:9 [INFO] [stdout] | [INFO] [stdout] 3 | #![warn(rustdoc)] [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(renamed_and_removed_lints)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: expected one of `(`, `,`, `=`, `{`, or `}`, found `minecraft` [INFO] [stdout] --> /opt/rustwide/target/debug/build/copper-3bd87a9b37a2fd4c/out/blocks.rs:6:1 [INFO] [stdout] | [INFO] [stdout] 5 | AcaciaButton [INFO] [stdout] | - [INFO] [stdout] | | [INFO] [stdout] | expected one of `(`, `,`, `=`, `{`, or `}` [INFO] [stdout] | help: missing `,` [INFO] [stdout] 6 | minecraft:acaciaDoor [INFO] [stdout] | ^^^^^^^^^ unexpected token [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: expected one of `(`, `,`, `=`, `{`, or `}`, found `:` [INFO] [stdout] --> /opt/rustwide/target/debug/build/copper-3bd87a9b37a2fd4c/out/blocks.rs:6:10 [INFO] [stdout] | [INFO] [stdout] 6 | minecraft:acaciaDoor [INFO] [stdout] | ^ expected one of `(`, `,`, `=`, `{`, or `}` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: expected item, found `:` [INFO] [stdout] --> /opt/rustwide/target/debug/build/copper-3bd87a9b37a2fd4c/out/blocks.rs:6:10 [INFO] [stdout] | [INFO] [stdout] 6 | minecraft:acaciaDoor [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] thread 'rustc' panicked at 'Stack should be empty: final_buf=FrameData { open: /opt/rustwide/target/debug/build/copper-3bd87a9b37a2fd4c/out/blocks.rs:4:16: 4:17 (#0), open_delim: Brace, inner: [(Token(Token { kind: Ident("AcaciaButton", false), span: /opt/rustwide/target/debug/build/copper-3bd87a9b37a2fd4c/out/blocks.rs:5:5: 5:17 (#0) }), Alone), (Token(Token { kind: Ident("minecraft", false), span: /opt/rustwide/target/debug/build/copper-3bd87a9b37a2fd4c/out/blocks.rs:6:1: 6:10 (#0) }), Joint)] } stack=[FrameData { open: src/lib.rs:1:1: 1:1 (#0), open_delim: NoDelim, inner: [(Token(Token { kind: Ident("pub", false), span: /opt/rustwide/target/debug/build/copper-3bd87a9b37a2fd4c/out/blocks.rs:4:1: 4:4 (#0) }), Alone), (Token(Token { kind: Ident("enum", false), span: /opt/rustwide/target/debug/build/copper-3bd87a9b37a2fd4c/out/blocks.rs:4:5: 4:9 (#0) }), Alone), (Token(Token { kind: Ident("Block", false), span: /opt/rustwide/target/debug/build/copper-3bd87a9b37a2fd4c/out/blocks.rs:4:10: 4:15 (#0) }), Alone)] }]', compiler/rustc_parse/src/parser/attr_wrapper.rs:507:5 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x7fceb3a58010 - std::backtrace_rs::backtrace::libunwind::trace::h1037ca7e6eeef65c [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x7fceb3a58010 - std::backtrace_rs::backtrace::trace_unsynchronized::haaefac1bc3669450 [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x7fceb3a58010 - std::sys_common::backtrace::_print_fmt::h863a6f5e6d995885 [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x7fceb3a58010 - ::fmt::h767e17e1aa7df6a8 [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x7fceb3ac592c - core::fmt::write::h7aa6cd0067dca82a [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/core/src/fmt/mod.rs:1110:17 [INFO] [stderr] 5: 0x7fceb3a49895 - std::io::Write::write_fmt::h4c802b6f761026c1 [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/io/mod.rs:1584:15 [INFO] [stderr] 6: 0x7fceb3a5bd5b - std::sys_common::backtrace::_print::h2769edb26a7eb606 [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x7fceb3a5bd5b - std::sys_common::backtrace::print::ha71f3549862b4cb6 [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x7fceb3a5bd5b - std::panicking::default_hook::{{closure}}::h95488a3bade217f6 [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x7fceb3a5b831 - std::panicking::default_hook::h290aa602c0fb11df [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panicking.rs:225:9 [INFO] [stderr] 10: 0x7fceb422a06d - rustc_driver::report_ice::hd575aa67be3288bc [INFO] [stderr] 11: 0x7fceb3a5c566 - std::panicking::rust_panic_with_hook::hf32c4fa635e215f2 [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panicking.rs:626:17 [INFO] [stderr] 12: 0x7fceb3a5c047 - std::panicking::begin_panic_handler::{{closure}}::h95197ccd88846f7a [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panicking.rs:519:13 [INFO] [stderr] 13: 0x7fceb3a584ec - std::sys_common::backtrace::__rust_end_short_backtrace::h7641df9566f7b7d0 [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 14: 0x7fceb3a5bfa9 - rust_begin_unwind [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panicking.rs:515:5 [INFO] [stderr] 15: 0x7fceb3a24f7b - std::panicking::begin_panic_fmt::hdc39c0cc0031e534 [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panicking.rs:457:5 [INFO] [stderr] 16: 0x7fceb5b00969 - ::create_token_stream::hb354e8b23c83f891 [INFO] [stderr] 17: 0x7fceb66ae1e5 - core::ops::function::impls:: for &mut F>::call_once::h374f35840e95356c [INFO] [stderr] 18: 0x7fceb5d00c53 - as core::iter::traits::iterator::Iterator>::next::hedd805d8e39faaa7 [INFO] [stderr] 19: 0x7fceb5d01f87 - as alloc::vec::spec_from_iter::SpecFromIter>::from_iter::h24c06255877d4b4a [INFO] [stderr] 20: 0x7fceb66af3d8 - rustc_ast::tokenstream::AttrAnnotatedTokenStream::to_tokenstream::hf0b2bb6bf97fe070 [INFO] [stderr] 21: 0x7fceb64a4991 - rustc_parse::prepend_attrs::h2df31152cca70e6a [INFO] [stderr] 22: 0x7fceb64a3f04 - rustc_parse::nt_to_tokenstream::hf01c7a1e1888e4ee [INFO] [stderr] 23: 0x7fceb642707c - ::expand::h8538e878ab1cfdfa [INFO] [stderr] 24: 0x7fceb5a084f3 - rustc_expand::expand::MacroExpander::fully_expand_fragment::he6c0e41b24e6b05f [INFO] [stderr] 25: 0x7fceb64226db - rustc_expand::expand::MacroExpander::expand_crate::h8c3741022a709a39 [INFO] [stderr] 26: 0x7fceb5d61262 - rustc_session::utils::::time::h1aba952f79585c44 [INFO] [stderr] 27: 0x7fceb5d5b01d - rustc_interface::passes::configure_and_expand_inner::h3c48771dde685366 [INFO] [stderr] 28: 0x7fceb5d5894f - rustc_interface::passes::configure_and_expand::{{closure}}::h73c5c8073307cb23 [INFO] [stderr] 29: 0x7fceb5d556d9 - rustc_data_structures::box_region::PinnedGenerator::new::h15e579950080f54e [INFO] [stderr] 30: 0x7fceb5d5a4d1 - rustc_interface::passes::configure_and_expand::h0f54ab8adb840a7a [INFO] [stderr] 31: 0x7fceb5d66752 - rustc_interface::queries::Queries::expansion::h1c250f6691e4318e [INFO] [stderr] 32: 0x7fceb5d2d8b0 - rustc_interface::queries::::enter::h460c5796e582efcd [INFO] [stderr] 33: 0x7fceb5d2a2bc - rustc_span::with_source_map::h5b1831a7c490d4e1 [INFO] [stderr] 34: 0x7fceb5d2d2d8 - scoped_tls::ScopedKey::set::ha23e3ea5e8121f7a [INFO] [stderr] 35: 0x7fceb5d520cb - std::sys_common::backtrace::__rust_begin_short_backtrace::h547c89617ab570d2 [INFO] [stderr] 36: 0x7fceb5d28fc5 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he4ef2418a213a503 [INFO] [stderr] 37: 0x7fceb3a68a57 - as core::ops::function::FnOnce>::call_once::h902e2cf6655e1b0c [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/alloc/src/boxed.rs:1575:9 [INFO] [stderr] 38: 0x7fceb3a68a57 - as core::ops::function::FnOnce>::call_once::h893a5452154309d1 [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/alloc/src/boxed.rs:1575:9 [INFO] [stderr] 39: 0x7fceb3a68a57 - std::sys::unix::thread::Thread::new::thread_start::hdedcb57c96ab37cd [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/sys/unix/thread.rs:71:17 [INFO] [stderr] 40: 0x7fceb3985609 - start_thread [INFO] [stderr] 41: 0x7fceb3899293 - clone [INFO] [stderr] 42: 0x0 - [INFO] [stderr] [INFO] [stderr] error: internal compiler error: unexpected panic [INFO] [stderr] [INFO] [stderr] note: the compiler unexpectedly panicked. this is a bug. [INFO] [stderr] [INFO] [stderr] note: we would appreciate a bug report: https://github.com/rust-lang/rust/issues/new?labels=C-bug%2C+I-ICE%2C+T-compiler&template=ice.md [INFO] [stderr] [INFO] [stderr] note: rustc 1.54.0-nightly (99e3aef02 2021-05-20) running on x86_64-unknown-linux-gnu [INFO] [stderr] [INFO] [stderr] note: compiler flags: -C embed-bitcode=no -C debuginfo=2 --crate-type lib [INFO] [stderr] [INFO] [stderr] note: some of the compiler flags provided by cargo are hidden [INFO] [stderr] [INFO] [stderr] query stack during panic: [INFO] [stderr] end of query stack [INFO] [stdout] error: aborting due to 3 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `copper` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `Command { std: "docker" "inspect" "740042c00f3d16405d9085d6e6cf45b034c4cdb336c7e1d127e7acea1f45e194", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "740042c00f3d16405d9085d6e6cf45b034c4cdb336c7e1d127e7acea1f45e194", kill_on_drop: false }` [INFO] [stdout] 740042c00f3d16405d9085d6e6cf45b034c4cdb336c7e1d127e7acea1f45e194